Problems

Problem search

Point range
Go Random

Hot problems

Problem ▴ Category Points AC % Users
CCC '17 J1 - Quadrant Selection CCC 3 60.6% 5581
CCC '17 J2 - Shifty Sum CCC 3 54.3% 4575
CCC '17 J3 - Exactly Electrical CCC 3p 29.9% 2370
CCC '17 J4 - Favourite Times CCC 5p 23.4% 1569
CCC '17 S1 - Sum Game CCC 3 47.3% 3205
CCC '17 S2 - High Tide, Low Tide CCC 5 27.9% 2843
CCC '17 S3 - Nailed It! CCC 7p 30.5% 1718
CCC '17 S4 - Minimum Cost Flow CCC 17p 14.1% 771
CCC '17 S5 - RMT CCC 20p 19.2% 245
CCC '18 J1 - Telemarketer or not? CCC 3 40.1% 6877
CCC '18 J2 - Occupy parking CCC 3 53.4% 5656
CCC '18 J3 - Are we there yet? CCC 3 55.9% 3108
CCC '18 J5 - Choose your own path CCC 7p 24.1% 1613
CCC '18 S1 - Voronoi Villages CCC 3p 33.5% 3565
CCC '18 S2 - Sunflowers CCC 5p 39.5% 2806
CCC '18 S3 - RoboThieves CCC 12p 14.2% 1135
CCC '18 S4 - Balanced Trees CCC 15p 16.9% 575
CCC '18 S5 - Maximum Strategic Savings CCC 20p 26.8% 407
CCC '19 J1 - Winning Score CCC 3 50.8% 7005
CCC '19 J2 - Time to Decompress CCC 3 52.4% 3324
CCC '19 J3 - Cold Compress CCC 5 46.2% 3155
CCC '19 J5 - Rule of Three CCC 20p 0.7% 7
CCC '19 S1 - Flipper CCC 3p 46.0% 3954
CCC '19 S2 - Pretty Average Primes CCC 5p 25.9% 2355
CCC '19 S3 - Arithmetic Square CCC 12p 13.6% 501
CCC '19 S4 - Tourism CCC 20p 7.7% 248
CCC '19 S5 - Triangle: The Data Structure CCC 20p 17.8% 357
CCC '20 J1 - Dog Treats CCC 3 56.1% 4008
CCC '20 J2 - Epidemiology CCC 3 27.1% 3698
CCC '20 J3 - Art CCC 3p 42.9% 2365
CCC '20 J4 - Cyclic Shifts CCC 5p 45.7% 2283
CCC '20 J4 - Cyclic Shifts (Hard) CCC 12p 3.8% 36
CCC '20 S1 - Surmising a Sprinter's Speed CCC 5p 42.8% 2047
CCC '20 S2 - Escape Room CCC 10p 12.8% 1691
CCC '20 S2 - Escape Room (Hard) CCC 15p 5.6% 55
CCC '20 S3 - Searching for Strings CCC 12p 8.9% 841
CCC '20 S4 - Swapping Seats CCC 12p 25.6% 489
CCC '20 S5 - Josh's Double Bacon Deluxe CCC 17p 29.6% 258
CCC '21 J1 - Boiling Water CCC 3p 53.8% 3156
CCC '21 J2 - Silent Auction CCC 3p 51.2% 2745
CCC '21 J3 - Secret Instructions CCC 5p 36.1% 2514
CCC '21 J4 - Arranging Books CCC 7p 19.6% 1322
CCC '21 S1 - Crazy Fencing CCC 5p 47.7% 2557
CCC '21 S2 - Modern Art CCC 7p 28.9% 2249
CCC '21 S3 - Lunch Concert CCC 10p 24.5% 1017
CCC '21 S4 - Daily Commute CCC 12p 26.0% 585
CCC '21 S5 - Math Homework CCC 15p 24.5% 418
CCC '22 J1 - Cupcake Party CCC 3 55.5% 2923
CCC '22 J2 - Fergusonball Ratings CCC 3 47.6% 2668
CCC '22 J3 - Harp Tuning CCC 5p 33.3% 1493